Researchers at UT Southwestern Medical Center have identified a previously unrecognized small protein in cells of the human heart that plays a key role in heart muscle contraction. The protein is made ...

Since early in the pandemic, COVID-19 has been associated with heart problems, including reduced ability to pump blood and abnormal heart rhythms. But it's been an open question whether these problems ...

No one can live without a heart pumping blood to the rest of the body. New research from the University of Missouri School of Medicine reveals more information about this vital function and how it’s ...

A new study provides evidence that COVID-19 patients' heart damage is caused by the virus invading and replicating inside heart muscle cells, leading to cell death and interfering with heart muscle ...

Hypertrophic cardiomyopathy (HCM) is the most common of all genetic heart diseases and is the leading cause of sudden cardiac death. It is characterized by an abnormal thickening of the heart muscle, ...

NOTE: A link to videos of the developing heart is at end of the release. The human heart confounds logic by starting to beat before it is fully formed —a developmental oddity shared by all vertebrate ...